51434313 has 16 divisors (see below), whose sum is σ = 81079680. Its totient is φ = 28377216.

The previous prime is 51434303. The next prime is 51434423. The reversal of 51434313 is 31343415.

It is a happy number.

It is not a de Polignac number, because 51434313 - 2⁸ = 51434057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51434303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41620 + ... + 42837.

It is an arithmetic number, because the mean of its divisors is an integer number (5067480).

Almost surely, 2^51434313 is an apocalyptic number.

It is an amenable number.

51434313 is a deficient number, since it is larger than the sum of its proper divisors (29645367).

51434313 is a wasteful number, since it uses less digits than its factorization.

51434313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84496.

The product of its digits is 2160, while the sum is 24.

The square root of 51434313 is about 7171.7719567761. The cubic root of 51434313 is about 371.8926950881.

Adding to 51434313 its reverse (31343415), we get a palindrome (82777728).

The spelling of 51434313 in words is "fifty-one million, four hundred thirty-four thousand, three hundred thirteen".